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226863636 = 223296110687
BaseRepresentation
bin11011000010110…
…10101000010100
3120210212212101220
431201122220110
5431034114021
634302250340
75423211006
oct1541325024
9523785356
10226863636
1110707100a
1263b869b0
133800184c
14221b6376
1514db3cc6
hexd85aa14

226863636 has 48 divisors (see below), whose sum is σ = 556631040. Its totient is φ = 71809920.

The previous prime is 226863601. The next prime is 226863641. The reversal of 226863636 is 636368622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15885 + ... + 26571.

It is an arithmetic number, because the mean of its divisors is an integer number (11596480).

Almost surely, 2226863636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226863636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278315520).

226863636 is an abundant number, since it is smaller than the sum of its proper divisors (329767404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226863636 is a wasteful number, since it uses less digits than its factorization.

226863636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10784 (or 10782 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

The square root of 226863636 is about 15061.9930952049. The cubic root of 226863636 is about 609.8948452619.

The spelling of 226863636 in words is "two hundred twenty-six million, eight hundred sixty-three thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 29 58 61 87 116 122 174 183 244 348 366 732 1769 3538 5307 7076 10614 10687 21228 21374 32061 42748 64122 128244 309923 619846 651907 929769 1239692 1303814 1859538 1955721 2607628 3719076 3911442 7822884 18905303 37810606 56715909 75621212 113431818 226863636